1.We'll find something undescribed in our journeys.

在我们的旅程中，我们会发现一东西。

2.While studying the outer-coast transients, Mr McInnes also stumbled upon hints of a previously undescribed population of killer whales that were big-game hunters of an entirely different class.

在研究外海岸过客时，麦金尼斯还偶发现了一未曾记载的种群的线索，这是完全不同纲的大型猎物捕猎者。

3.That's what researchers may have found when they dug a few feet into beach sand at Gaviota State Park, near Santa Barbara: a previously undescribed species of Streptomyces bacteria, which pumps out an antibiotic called anthracimycin.

之前未被描述过的一种链霉菌属细菌，它会产生名为“Anthracimycin”的抗生素。